The clap sound sensed by condenser microphone is amplified by transistor t1. Clap switch is an beginners project done using 555 timer ic. Asked in electrical engineering, electronics engineering. The clap operated circuit is a circuit which operates by clapping from a. This clap switch mini project is useful for operating electric equipment like fan, bulb, radio etc. Sensitive clap switch circuit d mohankumar 04242010. This clap switch circuit using ic 555 is a hobby circuit, makes led to glow while you clap or make louder noise. The first time that the clap is detected by the arduino, an led will be switched on. Mini project reportsound operated switch using 555 timer ic. This is a simple clap switch circuit with high sensitivity.
The current generated by a microphone is very small and this current is. Electronics circuit diagram, electronics projects circuits, diy projects, mini engineering projects. This clap on clap off switch basically turns on or off the device, by using the clap sound, as switch. Here is the circuit of clap operated remote control fans is used to control not only switching properties but also control speed of fan. Today we are going to make a simple clap switch, how to switch on the lights, for a while, with a single clap. For me, always red led glows even tried with multiple claps. Using these circuits, you can control electrical appliances by simple clapping. If you want to design a switch circuit to turn on and turn off without reach a physical switch then try this simple clap switch circuit with relay, this circuit is designed with timer ic 555, dual d flip flop ic 7474 and a electromagnetic relay. The basic idea of clap switch is that the electric microphone picks up thesound of your claps, coughs, and the sound of that book knocked off the table. Clap switch circuit is a basic electronics project, made from the basic components such as ic 555 timer, bc547 transistors led resistors, capacitors etc.
This is a simple clap switch circuit diagram project. Download as doc, pdf, txt or read online from scribd. You can control led by clap with the help of arduino and sound sensor. How to make a clapclap on clapclap off switch circuit hi all. Home tags clap switch mini project pdf free download. For getting the sound of clap we will use a small microphone in this mini project as shown in clap. A clap switch is an electronic device that can be turned off and on by clapping the hands. This will help us to search some objects in the dark, when you are watching tv or lying on bed etc. Now, we are going to deal another circuit named clap switch circuit for devices. Clapswitch muhammad zakria 1448 atif hassan 1435 hamza willayat 1409 2. The second time that a clap is detected the led will be switched off. We will use two basic clap switch circuit diagrams i.
Different types of electronics and electrical projects and circuit ideas. Top 5 elctronic project with bc547 transistor, tri ac, rgb led, photo diode. Clap on clap off switch circuit diagram using 555 timer ic. Clap based fan switching system allows for switching fan on and off by detecting user clap, get this mini project kit with circuit diagram at nevonprojects. Clap operated remote control for fans electronics project. If you wish to on and off the device without a penny shifting from your space then this circuit is helpful for you. This circuit can onoff a 220v electronic device like fan, lamp by the sound of clap. A mini project on clap switch submitted for partial fulfillment of award of bachelor of technology degree in instrumentation. Clap switch is an interesting hobby circuit which turns on the lights with a clap sound. We have previously built clap switch and clap on clap off switch. This is the circuit of a very sensitive clap switch. Abstract clap switch is a switch which can switch onoff any electrical circuit by thesound of the clap. Were showing how to use ky038 sound sensor using arduino. The circuit changes its output state only when you clap twice within the set time period.
In this project we are going to make clapper circuit using the concept of adc analog to digital conversion in arduino uno. Simple and basic electronics mini project ideas for beginners. The clap activated switching device can basically be described as a low frequency. It produces a small electrical signal which is amplified by the succeeding. The amplifier has been configured in inverting mode. Clap switch control fan light by clap using 4017 ic youtube. Condenser mic basically converts sound energy into electrical energy. Experiments with 741 operational amplifier buildcircuit. How to make a clapclap on clapclap off switch circuit. A decade counter ic serves the bistable function instead of flipflop, special transistor and edge triggering network for low audio frequency. When clap the load is switch on and when again clapped then load is switch off.
I believe this book will be helpful for the students for their mini project. Pdf in this paper the electronic circuit which is activated or turn on by the. Although its name is clap switch, but it can be turned on by any sound of about same pitch of clap. Introduction clap switch is a basic electronics mini project, made with the help of the basic components. The main component of this clap switch circuit is the electric condenser mic, which has been used as a. After making these three projects, just remove ldr from the step 1 project and place an electret microphone and combine three modules to make a clap switch. The only unusual component is the single coil latching relay. When the mic get the clap sound or the sound of whistle, a negative going pulse appears at the common input of the bistable. This clap switch circuit helps to on or off the device without moving. I chose to use a micro planning future updates, such as turn on or off the light.
Although its name is clap switch, but it can be turned on by any sound of approximately same pitch of clap sound. Clap switch circuit for devices circuit working and. The electret microphone picks up the sound of your claps, coughs, and the sound of that book knocked off the table. Pdf analysing efficiency and effectiveness of clap. You just have to clap in the vicinity of the microphone used in this circuit, which you can keep by the bedside. It switches on and off electrical appliances with a sound of clapping hands. Clap switch circuit diagram using 555 and 74ls74 clap on. Here is how to develop clap switch using arduino uno and microphone with circuit diagram, list of components and code. Easy clap switch clap switch using three modules on mini breadboards. This is an easy and fun project for beginners and kids. Two transistors cross connected as a bistable multivibrator. Control led by clap using arduino and sound sensor.
This is a project on clap sw itch which can switch onoff any electrical circuit by the sound of the clap. A clap on clap off switch is an interesting concept that could be used in home automation. Mini electronics project and circuit simple, mini for. The clapoperated circuit is a circuit which operates by. This is a project on clap switch which can switch onoff any electrical circuit by the. This instructable not only gives the reader the information needed to create a clapclap onclap clap off switching circuit, but the logic used to make a hardwareonly clap on, clap off circuit. Transistor is a small electronic device containing a semiconductor. The main component of this clap switch circuit is the electric condenser mic, which has been used as a sound sensor. To turn onoff any appliance, you just have to clap twice. Before you make a circuit glowing 220v bulb, learn about relay, otherwise, it. The power developed in a switching transistor is very small. Clap switch a mini project report submitted in the partial fulfillment of degree of bachelor of technology.
Clap switch is popular since our childhood in the days of 90s when basic electronic components were not so easily available and cost was not really towards cheap. All the clap on switch circuits explained above have the ability to operate only with single alternate clap sounds. This circuit can switch on and off light a fan or a radio etc. Several projects of clappers can be found on the internet, and most of them do not use microcontroller. The ne 555 based clap switch is cost efficiency arduino based clap switch is.
I will present two circuits for clap switches, both of these circuits will be based on 555 ic and 4017 ic. How to make clap switch diy project using 555 timer ic youtube. The following video shows the arduino clap switch project. Pdf design of a clap activated switch researchgate. Clap switch circuit for devices circuit working and applications. This is another clap on off circuit diagram using 555 timer and 7474 ic. You can use this circuit concept in many ways to activate sound based project. Clap switch investigatory project free download as powerpoint presentation. This versatile 741 operational amplifier module can be used for making a dark detector using an ldr, a photo transistor and a photo diode. Clap switch circuit electronic project using 555 timer. Today we will discuss about making a simple clap switch that operates when it detects two clapping sounds in a row. Complete list of electronics projects circuit diagram.
It works as a switch which makes devices on and off by making a clap sound. Olokede, seyi stephen 49 circuit is expected to respond to two claps only when it is received within three seconds to energize a relay which will make connection with an external circuit. After a long experiment here we design and verified a simple clap switch circuit. Clap switch has the ability to turn onoff any electrical component or circuit by the clap sound.
Heat sensitive switch clap switch automatic switch for voltage converters auto power off on and off button clap controlled switch push off push on masterslave switch lowvoltage remote mains switch speakerheadphone switch for computers petrol gas switch for a pajero rc remote control switch mains slave switcher ii computer off switch mains. Elonics electronics projects on breadboard 91,8 views. Introduction clap switch is a basic electronics miniproject, made with the help of the basic components. This feature makes the circuit vulnerable to external sounds which might occur occasionally triggering the connected load with the circuit. Design of a clap activated switch leonardo journal of sciences. Design and construction of clap activated switch international. Clap switch circuit diagram using ic 555 circuit digest. Pdf this paper presents the design of a clap activated switch device that will serve well in. Regarding your second question, i have already given the schematic on the same page, see below the clap switch page, there is another schematic with the name, clap switch glowing 220v bulb. This construction will give mono pulse when trigger received from mic, the duration of pulse time varies respect to r2 and c2 connected with ic555. Simple to learn and make electronics project for students and hobbyist. Clap switch circuit convert to remote control switch duration.
It is a basic project and also our second project with. Hello friends, this post provides you a simple mini project of clap switch. Control your home appliances with this clap operated switch, without getting out of your bed. This kind of switches mechanism were implemented with the different technology out of that we were analysed efficiency and effectiveness mechanism based on the ne 555 clap switch and arduino clap. Clap switch is a basic electronics mini project, made with the help of the basic components. If you are a beginner electronics learner, and love to do new project experiment then this is a great circuit for you. Clap switch is a basic electronics miniproject, made with the help of the basic components. The main advantage of clap operated remote control for fan is, it can control up to tenstep speeds of fan where normally a. It compares the change in voltage at pin 2 with the reference voltage at pin 3 and gives output at pin 6 accordingly. Pdf analysing efficiency and effectiveness of clap switch. This is a project on clap switch which can switch onoff any electrical circuit by the sound of the clap. We are going to use a mic and uno to sense the sound and trigger a response. It produces a small electrical signal which is amplified by the succeeding transistor stage.
Pdf clap switch a mini project report submitted in the. This clap operated on off switch circuit is useful to on off any appliance. Clap switch circuit for devices summary of clap switch circuit. Two transistors cross connected as a bistable multivibrator change state at each signal. While there are numerous means of generating the latching function, the latching relay greatly simplifies the circuit and provides a relay contact interface for driving a 115 or 230vac load such as a light bulb. One more plus point of this circuit is that there is no fear of the electrical shocks as you are not required to touch any of the mechanical switches physically. You can switch onoff up to four different electrical equipment tv, fan, light, etc in 16 different ways.
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